Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 400
metal strips, half silver and half zinc (Fig. 244 . bent so asto dip into a series of cups containing dilute acid, was anarrangement electrically equivalent to his pile. As the jars were usually set in a circle, so as to bring theextremities nearer together, it received the name Crown ofCups. … 390 THE ELECTRIC CURREXT. 343. Local Action. — Specimens of commercial zinc usuallycontain impurities, such as bits of iron, carbon, or the like,which, together with the zinc and the liquid of the cell, forma miniature battery and generate currents at the surface ofthe plate with consequent wasting…
Physics
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